"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 导入导出、备份恢复工具支持M*兼容性
Case Name   :  create user/rename user测试，导出再导入
Create At   : 2023.05.04
Owner       : z@wan005
Description :
    1.创建兼容b库
    2.兼容b库下创建用户
    3.使用gs_dumpall导出
    4.删除用户
    5.导入之前导出的数据
    6.连接导入库查询
    7.清理环境
Expect      :
    1.成功
    2.成功
    3.成功
    4.成功
    5.成功
    6.成功
    7.成功
History     :
"""

import os
import unittest

from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import Node
from yat.test import macro


class GsDump0065(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.sh_primary = CommonSH('PrimaryDbUser')
        self.dbuser_node = Node('PrimaryDbUser')
        self.constant = Constant()
        self.db_name = "db_dump_0065"
        self.db_name_01 = "db_dump_0065_01"
        self.user_name = "user_dump_0065"
        self.dump_path = os.path.join(macro.DB_BACKUP_PATH, 'dump0065')

    def test_server_tools(self):
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        text = '----step1: 创建兼容b库 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"drop database if exists {self.db_name};" \
                  f"create database {self.db_name} dbcompatibility 'b';"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd)
        self.log.info(sql_result)
        self.assertIn(self.constant.CREATE_DATABASE_SUCCESS, sql_result,
                      '执行失败:' + text)

        text = '----step2: 兼容b库下创建用户 expect: 成功----'
        self.log.info(text)
        sql_cmd = f'''drop user if exists {self.user_name};
        create user if not exists {self.user_name} \
        password '{macro.COMMON_PASSWD}';
        drop user if exists {self.user_name}_01;
        create user if not exists {self.user_name}_01 password \
        '{macro.COMMON_PASSWD}';
        rename user {self.user_name} to {self.user_name}_new,\
        {self.user_name}_01 to {self.user_name}_01_new;'''
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name)
        self.log.info(sql_result)
        self.assertEqual(2, sql_result.count('CREATE ROLE'), '执行失败:' + text)
        self.assertIn('ALTER ROLE', sql_result, '执行失败:' + text)

        text = '----step3: 使用gs_dumpall导出 expect: 成功----'
        self.log.info(text)
        gs_dump_cmd = f"source {macro.DB_ENV_PATH};" \
                      f"gs_dumpall -p {self.dbuser_node.db_port} " \
                      f"-f {self.dump_path} " \
                      f"-c "
        self.log.info(gs_dump_cmd)
        dump_msg = self.dbuser_node.sh(gs_dump_cmd).result()
        self.log.info(dump_msg)
        self.assertIn(self.constant.gs_dumpall_success_msg, dump_msg)

        text = '----step4: 删除用户 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"drop user {self.user_name}_new,{self.user_name}_01_new;"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name)
        self.log.info(sql_result)
        self.assertIn('DROP ROLE', sql_result, '执行失败:' + text)

        text = '----step5: 导入之前导出的数据 expect: 成功----'
        self.log.info(text)
        gs_restore_cmd = f"source {macro.DB_ENV_PATH};" \
                         f"gsql {self.db_name} " \
                         f"-p {self.dbuser_node.db_port} " \
                         f"-f {self.dump_path}"
        self.log.info(gs_restore_cmd)
        restore_msg = self.dbuser_node.sh(gs_restore_cmd).result()
        self.log.info(restore_msg)
        self.assertIn('DROP ROLE', sql_result, '执行失败:' + text)

        text = '----step6: 连接导入库查询 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"\du"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name)
        self.log.info(sql_result)
        self.assertTrue(
            'user_dump_0065_01_new' and 'user_dump_0065_new' in sql_result,
            '执行失败:' + text)

    def tearDown(self):
        text = '---step7: 清理环境 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"drop database if exists {self.db_name};" \
                  f"drop user {self.user_name}_new,{self.user_name}_01_new;"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname='postgres')
        self.log.info(sql_result)
        rm_cmd = f"rm -rf {self.dump_path}"
        self.log.info(rm_cmd)
        rm_msg = self.dbuser_node.sh(rm_cmd).result()
        self.log.info(rm_msg)
        self.assertIn(self.constant.DROP_DATABASE_SUCCESS, sql_result,
                      '执行失败:' + text)
        self.assertEqual('', rm_msg, '执行失败:' + text)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
